Comparison of laboratory TDR soil water measurements

Authors

  • Vesna ZUPANC Biotechnical faculty, Department for Agronomy, Center for agrohydrology and land reclamation, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
  • Gregor ADAM Ulica generala Levičnika 34i 6000Koper, Slovenia
  • Marina PINTAR Biotechnical faculty, Department for Agronomy, Center for agrohydrology and land reclamation, Jamnikarjeva 101, 1000 Ljubljana, Slovenia

DOI:

https://doi.org/10.14720/aas.2005.85.2.15237

Keywords:

volumetric water content, soil moisture sensor, TDR

Abstract

Reliable soil moisture sensors are essential for agricultural application. Time Domain Reflectometry (TDR) is a useful method for nondestructive, continuous measurements of soil water content. Laboratory measurements of soil volumetric water content by the TDR 100 Time Domain Reflectometer were compared to gravimetric measurements in three soils, Clay Loam, Silt Loam and Sand soil. Comparison between original and homemade 10 cm and 20 cm rods was made. TDR 100 gave good results in Clay Loam and Silt Loam soil and over estimated VWC in Sand soil. Results showed little or no difference between original and homemade sensor measurements.

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Published

15. 10. 2005

Issue

Vol. 85 No. 2 (2005): PLANT PRODUCTION

Section

Original Scientific Article

License

Copyright (c) 2005 University of Ljubljana, Biotechnical Faculty

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

ZUPANC, V., ADAM, G., & PINTAR, M. (2005). Comparison of laboratory TDR soil water measurements. Acta Agriculturae Slovenica, 85(2), 359–374. https://doi.org/10.14720/aas.2005.85.2.15237
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